#include "Arduino.h"
class UltraSonic{
    public:
    int in_pin;
	int out_pin;
    int button_pin;
    int servo_pin;
    UltraSonic(int, int, int, int);
    void init();
    float getDistance();
    void servoPulse(int);
    float rightDetection();
    float frontDetection();
    float leftDetection();
};